What seems lost is
the reference
to the idea of
preconditioning, i.e., an intuition-based insight
in the dynamics. This is a shortcoming of the theory which damages the
appeal and popularity of the CHSP formalism in applications.
A step towards recovery came with PTQM, i.e., with the
proposal of
factorization (REF ).
Still,
a certain theoretical weakness of the recipe survived,
lying in a
somewhat mysterious status of the charge [1]} as well as
in a manifestly non-Dysonian nature of the Bender's
factorization \(\Theta _2={\cal PC}\)  of the metric.
